What is Gast Gun?
1.
A machine gun of German origin dating back to the latter half of World War 1 that featured two barrels to increase the rate of fire, It was fed by two drum magazines and was mounted on only so many German fighter planes. A similar machine gun to the Gast is still used today on various Russian fighter/attack aircraft.
'The Mig-21 fighter plane is armed with a 23mm Gast gun installed in the airframe'.
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